EXHIBIT 12 HOUSTON INDUSTRIES INCORPORATED AND SUBSIDIARIES COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES (THOUSANDS OF DOLLARS) Twelve Months Ended December 31, ------------------------------------------------------------------------ 1994 1993 1992 1991 1990 ---------- ---------- -------- ---------- ---------- (Restated) (Restated) (Restated) (Restated) (Restated) Fixed Charges as Defined: (1) Interest on Long-Term Debt ...................... $ 265,494 $ 304,462 $338,771 $ 340,810 $ 317,454 (2) Other Interest .................................. 25,076 15,145 23,323 42,353 48,872 (3) Preferred Dividends Factor of Subsidiary (line 12) ..................................... 51,718 52,399 58,204 67,433 71,152 (4) Interest Component of Rentals Charged to Operating Expense ............................. 3,951 4,449 5,116 5,943 5,628 ---------- ---------- -------- ---------- ---------- (5) Total Fixed Charges ............................. $ 346,239 $ 376,455 $425,414 $ 456,539 $ 443,106 ========== ========== ======== ========== ========== Earnings as Defined: (6) Income from Continuing Operations Before Cumulative Effect of Change in Accounting .......................... $ 423,985 $ 440,531 $370,031 $ 484,275 $ 417,422 (7) Income Taxes for Continuing Operations Before Cumulative Effect of Change in Accounting .......................... 230,424 228,863 177,276 224,215 202,501 (8) Fixed Charges (line 5) .......................... 346,239 376,455 425,414 456,539 443,106 ---------- ---------- -------- ---------- ---------- (9) Earnings from Continuing Operations Before Cumulative Effect of Change in Accounting, Income Taxes and Fixed Charges ....................................... $1,000,648 $1,045,849 $972,721 $1,165,029 $1,063,029 ========== ========== ======== ========== ========== Preferred Dividends Factor of Subsidiary: (10) Preferred Stock Dividends of Subsidiary ......... $ 33,583 $ 34,473 $ 39,327 $ 46,187 $ 47,753 (11) Ratio of Pre-Tax Income from Continuing Operations to Income from Continuing Operations(line 6 plus line 7 divided by line 6) .................................... 1.54 1.52 1.48 1.46 1.49 ---------- ---------- -------- ---------- ---------- (12) Preferred Dividends Factor of Subsidiary (line 10 times line 11) ....................... $ 51,718 $ 52,399 $ 58,204 $ 67,433 $ 71,152 ========== ========== ======== ========== ========== Ratio of Earnings from Continuing Operations to Fixed Charges Before Cumulative Effect of Change in Accounting (line 9 divided by line 5) ......................... 2.89 2.78 2.29 2.55 2.40